再造一个巨龙，巨龙铜矿二期改扩建工程成功联动试车

Group 1 - The core viewpoint of the news is that the second phase of the Jigong Copper Mine's expansion project has been completed, marking a significant step towards production [2] - Upon full production, the second phase will add a processing capacity of 200,000 tons of ore per day, bringing the total capacity of both phases to 350,000 tons per day, equivalent to creating 1.3 additional "Jigong" mines [2] - The project has overcome numerous world-class challenges, including extreme high-altitude conditions above 5,000 meters, complex technical systems, and the application of advanced mining techniques for the first time in such conditions [2] Group 2 - The second phase will soon enter the final stage of comprehensive debugging and formal production, contributing to Zijin Mining's long-term strategy in Tibet and setting a new benchmark for efficient copper resource development in China [2] - The planning for the third phase of the Jigong Copper Mine is also underway, which, once completed, will position the mine among the largest copper mining operations globally [3]